Photograph by Randy Olson
See our roundup of the best guided expeditions in Europe for 2011.
A railroad through the southern Caucasus will soon connect Europe and Asia, fueling dreams and discord in the region.
A brilliant blur as it plucks a butterfly from the air, the European bee-eater leads a colorful life on three continents.
Nat Geo Traveler All Access
Available in print and for iPad®! See destinations come alive with 360-degree photos, videos, and more!